VOLT Heated Gen III Slippers Nylon Upper Imported Platform measures approximately .50" Provides between 3  10 hours of soothing warmth to help rejuvenate numb toes and cold, tired feet! Memory foam cushion footbed for extra comfort Thinsulate insulation traps in the heat encapsulating your feet with warmth Gentle, soothing heat for customers with Raynauds Syndrome and other circulatory issues Includes two powerful 3.7v 2000mah rechargeable lithium batteries, dual charger and wireless remote. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!